Respirator



FIG. 1 is a front elevational view of the respirator embodying our newdesign;

FIG. 2 illustrates the respirator in rear perspective;

FIG. 3 is a view of one side of the respirator, the opposite side beingof substantially the same appearance;

FIG. 4 is a top plan view of the respirator; and

FIG. 5 is a view of the bottom of the respirator.

The ornamental design for a respirator, as shown.